| dev-games/OpenSceneGraph |
High performance 3D graphics toolkit |
| dev-games/grfcodec |
OpenTTD GRF development tools |
| dev-games/libggz |
A library wrapping many common low-level functions which are often used in C programming |
| dev-games/mygui |
A library for creating GUIs for games |
| dev-games/nml |
NewGRF Meta Language |
| dev-games/ois |
Object Oriented Input System |
| dev-games/physfs |
A portable, flexible file i/o abstraction library for video games |
| dev-games/recastnavigation |
Navigation-mesh Toolset for Games |
| dev-libs/Box2D |
A 2D Physics Engine for Games |
| dev-libs/angelscript |
A flexible, cross-platform scripting library |
| dev-libs/collada-dom |
COLLADA Document Object Model (DOM) C++ Library |
| dev-libs/rinutils |
C11/gnu11 utilities C library |
| distribution/steam |
Valve Steam Client Installer |
| games/endless-sky |
A 2D space trading and combat game similar to the Escape Velocity series |
| games/endless-sky-high-dpi |
A collection of double-resolution sprites for Endless Sky |
| games/naev |
A game about space exploration, trade and combat |
| games-action/supertuxkart |
SuperTuxKart is a Free 3D kart racing game |
| games-adventure/scummvm |
Engine for running various old adventure games |
| games-arcade/KoboDeluxe |
An SDL port of xkobo, a addictive space shoot-em-up |
| games-arcade/OpenTyrian |
A rewrite of the scrolling shooter by Epic MegaGames, originally for DOS |
| games-arcade/lbreakouthd |
A scaleable 16:9 remake of LBreakout2 |
| games-arcade/open-syobon |
FOSS version of Syobon Action |
| games-board/ChessDB |
Free chess database |
| games-board/black-hole-solver |
An solver for the solitaire games Golf, Black Hole, and All in a Row |
| games-board/cgoban |
Go board for X11 |
| games-board/freecell-solver |
A program that automatically solves layouts of Freecell and similar variants |
| games-board/gnubg |
GNU Backgammon |
| games-board/gnuchess |
GNU Chess is a terminal-based chess program |
| games-board/gnuchess-book |
Gnuchess opening book |
| games-board/gnugo |
Free program that plays the game of Go |
| games-board/jerry |
Jerry the Chess Program |
| games-board/mj |
mj is a networked Mahjong program for Linux |
| games-board/pychess |
Chess client for Gnome |
| games-board/scoutfish |
Chess Query Engine |
| games-board/stockfish |
Powerful open source chess engine |
| games-board/xboard |
GUI for gnuchess and for internet chess servers |
| games-board/xmahjongg |
Solitaire Mah-Jongg |
| games-emulation/mame |
Multiple Arcade Machine Emulator |
| games-engines/godot |
Godot Engine – Multi-platform 2D and 3D game engine |
| games-engines/openmw |
An open source reimplementation of TES III: Morrowind |
| games-fps/ioquake3 |
Free software (GPLv2+) first person shooter engine, used to play Quake 3: Arena and others |
| games-fps/ioquake3-cpma |
Challenge ProMode Arena mod for Quake 3: Arena |
| games-fps/nexuiz |
Nexuiz is a 3D deathmatch game |
| games-misc/cowsay |
Configurable speaking/thinking cow |
| games-misc/minecraft-launcher |
Official Minecraft Launcher |
| games-physics/OpenGOO |
Free clone of World Of Goo |
| games-puzzle/2048-qt |
A clone of 2048, implemented in Qt |
| games-roguelike/dungeon-crawl-stone-soup |
Single-player, role-playing roguelike game |
| games-roguelike/nethack |
Classic single-player dungeon exploration game |
| games-rpg/exult |
A project to recreate Ultima 7 for modern operating systems using the original game data |
| games-rpg/freedroidrpg |
FreedroidPRG is a mature science fiction role playing game set in the future |
| games-rpg/gemrb |
A portable open-source implementation of Bioware's Infinity Engine |
| games-simulation/CorsixTH |
Open source clone of Theme Hospital |
| games-simulation/fs2_open |
FreeSpace2 Source Code Project |
| games-simulation/lincity-ng |
A city simulation game |
| games-simulation/openttd |
An open source clone of Transport Tycoon Deluxe |
| games-simulation/openttd-opengfx |
8bpp Graphics Base Set for OpenTTD |
| games-simulation/the-powder-toy |
Falling sand physics sandbox, simulating air pressure, velocity, heat, and other interactions |
| games-strategy/0ad |
A free, open-source game of ancient warfare |
| games-strategy/OpenXcom |
OpenXcom is an open-source clone of the popular UFO: Enemy Unknown |
| games-strategy/Scorched3D |
A modernization of the classic DOS game Scorched Earth, 'The Mother Of All Games', on which it is based |
| games-strategy/StarRuler2 |
4X Space Strategy game Star Ruler 2 |
| games-strategy/crimson |
A tactical war game in the tradition of Battle Isle |
| games-strategy/freeciv |
An empire-building strategy game inspired by the history of human civilization |
| games-strategy/lordsawar |
A free Warlords II clone |
| games-strategy/spring |
A powerful free RTS engine |
| games-strategy/springlobby |
A free cross-platform lobby client for the Spring RTS project |
| games-strategy/warzone2100 |
A 3D realtime strategy game on the future Earth |
| games-strategy/warzone2100-video |
Video file for Warzone2100 |
| games-strategy/wesnoth |
The Battle for Wesnoth is a turn-based strategy game with a fantasy theme |
| games-strategy/widelands |
Widelands is an real-time strategy game similar to the Settlers II |
| games-util/gamescope |
SteamOS session compositing window manager |
| games-util/heroic |
Open Source Game Launcher |
| games-util/lutris |
Video game preservation platform |
| games-util/nexusmods-app |
The Nexus Mods app |
| net-libs/enet |
A relatively thin, simple and robust network communication layer on top of UDP |
| sys-apps/gamemode |
Daemon and library that allows games to request optimisations to be temporarily applied |